Look through your email archives for a purchase confirmation from Seagull Scientific or a reseller. Physical Media:
Retailers sometimes offer upgrade paths from older versions (like 9.3) to the latest BarTender versions. Download Center: Seagull Scientific website for the latest software trials and support. Warning on "Keygens" bartender 9.3 product key
BarTender 9.3 is very old and not officially supported on modern Windows operating systems. If you have the original key, you may be able to upgrade to a newer version. Purchase Upgrades: Look through your email archives for a purchase